From 721c201bd55ffb73cb2ba8d39e0570fa38c44e15 Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Wed, 15 Aug 2012 19:34:23 +0000
Subject: Vendor import of llvm trunk r161861:
http://llvm.org/svn/llvm-project/llvm/trunk@161861
---
lib/Support/PathV2.cpp | 2 ++
1 file changed, 2 insertions(+)
(limited to 'lib/Support/PathV2.cpp')
diff --git a/lib/Support/PathV2.cpp b/lib/Support/PathV2.cpp
index e2a69a6..46571c0 100644
--- a/lib/Support/PathV2.cpp
+++ b/lib/Support/PathV2.cpp
@@ -744,6 +744,8 @@ error_code has_magic(const Twine &path, const Twine &magic, bool &result) {
/// @brief Identify the magic in magic.
file_magic identify_magic(StringRef magic) {
+ if (magic.size() < 4)
+ return file_magic::unknown;
switch ((unsigned char)magic[0]) {
case 0xDE: // 0x0B17C0DE = BC wraper
if (magic[1] == (char)0xC0 && magic[2] == (char)0x17 &&
--
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